MxL7218 Data Sheet Dual 18A or Single 36A Power Module General Description Features The MxL7218 is a dual channel, 18A step-down power Dual 18A or single 36A output module. It includes a wide 4.5V to 15V input voltage range Input voltage range: 4.5V to 15V and supports two outputs each with an output voltage range of 0.6V to 1.8V, set by a single external resistor. The Output voltage range: 0.6V to 1.8V MxL7218 requires only a few input and output capacitors, Multiphase current sharing with multiple MxL7218s which simplifies design and shortens time-to-market. The for up to 216A output module supplies either two 18A outputs, a single 36A output or up to 216A when paralleled with additional MxL7218 Frequency synchronization modules. A unique package design where inductors are Differential remote sense amplifier mounted externally and careful component selection result in Peak current mode architecture for fast transient higher efficiency and extended operating range relative to response devices with the same industry standard pinout. Adjustable switching frequency (400kHz to 780kHz) The complete switch mode DC/DC power supply integrates the control, drivers, bootstrap diodes, bootstrap capacitors, Overcurrent protection inductors, MOSFETs and HF bypass capacitors in a single Output overvoltage protection package for point-of-load conversions. Internal temperature monitor and thermal shutdown The MxL7218 includes a temperature diode that enables protection device temperature monitoring. It also has an adjustable Thermally enhanced 16mm x 16mm x 5.01mm BGA switching frequency and utilizes a peak current mode architecture which allows fast line and load transient package response. Applications A host of protection features, including overcurrent, over- temperature, output overvoltage and UVLO, help this module Telecom and Networking Equipment achieve safe operation under abnormal operating conditions. Industrial Equipment The MxL7218 is available in a space saving 16mm x 16mm x 5.01mm RoHS compliant BGA package. Test Equipment Ordering Information - page 32 Typical Application INTV INTV CC CC 95 C VCC 4.7F R PGOOD 10k 90 PGOOD V IN MODE PLLIN CLKOUT INTV EXTV PGOOD1 85 4.5V to 15V CC CC V V OUT1 IN V C TEMP OUTS1 IN R TEMP C OUT1 RUN1 DIFFOUT 80 RUN2 SW1 C FF TRACK1 V FB1 TRACK2 V FB2 75 R FB f COMP1 60.4k f = 450kHz SET C SW MxL7218 SS PHASMD COMP2 0.1F V V = 5V OUTS2 70 IN V V OUT2 OUT 1.2V 36A SW2 V = 12V IN 121k PGOOD2 PGOOD C OUT2 65 SGND GND DIFFP DIFFN 02468 10 12 14 16 18 Load Current (A) Figure 2: 1.2V Efficiency vs I Figure 1: Typical Application: 36A, 1.2V Output DC/DC Power Module OUT OUT www.maxlinear.com 202DSR02 Efficiency (%)MxL7218 Dual 18A or Single 36A Power Module Data Sheet Revision History Revision History Document No. Release Date Change Description 202DSR02 June 9, 2021 Updated: Mechanical Dimensions, BG figure. Recommended Land Pattern and Stencil, BG figure. Disclaimer text. 202DSR01 September 29, 2021 Initial release. June 9, 2021 202DSR02 ii